Description : This addon basically uses iphub.info api to detect if the user IP is proxy (VPN or TOR) and if found that it is positive then it will automatically BAN that IP. You may check its live demo below and test it. Moreover as per IPhub admin request rate is 5/sec, about 86400/day. Duplication of request is prevented by storing IP details in database, The IP get deleted after 24 hours and that which fails VPN test are added to xenForo banned IP list automatically, never deleted.

Features :
Block Proxies, VPN and TOR completely. (Tested With Hotspot Shield, Pure VPN, HideMyIP and few others)
Checks for logged in users also.
It only allows that robots to crawl website which xF detect as "robot".
Feature to white list IP

PS : This addon is not integrated with any third party addons but you may request, atm this addon check user IP at forum list, login, register, thread view and resource view pages only.